Derek CheninDerek’s BlogBinary Tree Traversal — Breath first (Ruby)In the past blog, We talked about a kind of tree data structure — Binary Tree, and we took a brief look at one of its basic usage, binary…5 min read·Dec 3, 2018----
Derek CheninDerek’s BlogAdding pagination to Rails APIWhen there are lots of data going through the backend API, pagination is here to help reduce backend loads. There are a few gems that…3 min read·Nov 25, 2018--2--2
Derek CheninDerek’s BlogData structure: Binary Tree (Ruby)There are lots of data structure in computer science, such as list, set, stack, queue, graph, and tree. In this blog, let’s take a look at…4 min read·Nov 18, 2018--2--2
Derek CheninDerek’s BlogTools in web/mobile application continuous testingA robust and “bug-free” web or mobile application is a god-send. Or is it? A through testing plan for application is a starting point of a…3 min read·Nov 16, 2018----
Derek CheninDerek’s BlogDeploy a React app on Github user pageDeveloping single page application using React is fun. Especially when the app we developed is so useful and we want to share our…2 min read·Nov 16, 2018----
Derek CheninDerek’s BlogLearn Python and QuantTrade with QuantopianRecently I stomp upon Quantopian website while searching information about quantitative analysis of the stock market and trading…3 min read·Nov 16, 2018----
Derek ChenLearn Python and QuantTrade with QuantopianRecently I stomp upon Quantopian website while searching information about quantitative analysis of the stock market and trading…3 min read·Nov 11, 2018----
Derek ChenDeploy a React app on Github user pageDeveloping single page application using React is fun. Especially when the app we developed is so useful and we want to share our…2 min read·Nov 4, 2018--2--2
Derek ChenTools in web/mobile application continuous testingA robust and “bug-free” web or mobile application is a god-send. Or is it? A through testing plan for application is a starting point of a…3 min read·Oct 28, 2018----
Derek ChenStepping into Angular from ReactReact.js is a wonderful javascirpt library for frontend design. It is developed and maintained by FaceBook. It is one of the most popular…3 min read·Oct 19, 2018----